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Diffusion coefficient of phosphoric acid tributyl ester in octane

  • Jochen Winkelmann
Chapter
Part of the Physical Chemistry book series (volume 15B2)

Abstract

This chapter provides the diffusion coefficient of phosphoric acid tributyl ester in octane at different concentrations measured using NMR spin echo field gradient.

3 Diffusion in Liquid Mixtures

3.1. Data

3.1.1. Diffusion in Binary Mixtures

C12 H27 O3 P

(1)

phosphoric acid tributyl ester

102-85-2

C8 H18

(2)

octane

111-65-9

Intradiffusion Coefficient: D1T (φ1); T = 295.15 ± 0.5 K; Method: NMR FG

Ref.: [1972V2]

φ 1

p [kPa]

D ⋅ 109 [m2/s]

 

0.0

101.32

2.20 ± 10%

 

0.25

101.32

1.44 ± 10%

 

0.375

101.32

1.14 ± 10%

 

0.50

101.32

0.90 ± 10%

 

0.667

101.32

0.65 ± 10%

 

0.857

101.32

0.42 ± 10%

 

Comment: φ1 = volume fraction

Symbols and Abbreviations

Short Form

Full Form

D

diffusion coefficient

p

pressure

T

temperature

NMR FG

NMR spin echo field gradient

φ i

volume fraction

References

  1. [1972V2]
    Vashman, A. A., Pronin, I. S.: Zh. Strukt. Khim. 13 (1972) 1008–1015.Google Scholar

Copyright information

© Springer-Verlag GmbH Germany 2018

Authors and Affiliations

  • Jochen Winkelmann
    • 1
  1. 1.Universität Halle-Wittenberg, Institut für Physikalische ChemieHalle/S.Germany

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